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Lesson Plan
Illustrative Mathematics

Operations on the Number Line

For Teachers 7th - 9th Standards
A different way to look at integers is on this number line with variables in place of numbers. Learners are to look at different expressions and describe why they think the answer would be positive or negative, depending on the location...
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Assessment
Balanced Assessment

Solar Elements

For Students 6th - 8th
Let your brilliance shine like the sun. Future mathematicians and scientists consider given data on the abundance of different elements in the sun. The assessment task requires consideration of how these different abundances relate to...
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Lesson Plan
Curated OER

Human Coordinate Plane: An Array of Desks

For Teachers 4th - 8th
Use a kinesthetic activity to elucidate ordered pairs and coordinate planes. Arrange desks in a square array and distribute to learners cards with ordered pairs based on the locations of their seats. By having various groups of...
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Worksheet
Florida Center for Instructional Technology

The Shadow Knows: Student Worksheet

For Students 3rd - 5th
How can you measure the height of a tree or telephone pole with only a short measuring tape?  It's not a problem when you start by measuring your shadow and your height to create a ratio to use with taller objects. Additional...
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Organizer
Curated OER

Spending Log

For Students 4th - 7th
In this money management learning exercise, learners will track their spending and income for one week. After tracking their income and expenses, students will complete 6 short answer questions about the results.
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Worksheet
Curated OER

Random Probability

For Students 9th - 11th
In this statistics and probability worksheet, young statisticians solve and complete 13 different problems related to probability, percentages, and normal distributions. They consider data models, assumptions about the models, and find...
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Worksheet
Curated OER

Measuring Angles

For Students 10th
Solve and complete 18 problems about angles. First,  demonstrate that each conjecture is false by giving a counterexample. Then write the inverse, contrapositive, and converse for the each statement. In addition, write a...
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Worksheet
Curated OER

Which Fits?

For Students 3rd - 4th
For this ordering numbers that are not in sequence worksheet, students read numbers on two elephants and choose the one number that goes between the other numbers. Students choose the middle number for eight problems.
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Lesson Plan
Curated OER

Identify Numbers of Fall Objects

For Teachers K - 1st
In this identifying numbers of fall objects worksheet, students read a number in each box and circle the correct number of fall pictures. Students circle four groups of fall objects.
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Worksheet
T. Smith Publishing

Properties of Multiplication

For Students 3rd - 6th Standards
Properties of multiplication can get confusing, and are incredibly important to mathematicians. This activity is helpful in that it first explains the properties (commutative, associative, and distributive), giving examples of each....
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Activity
Illustrative Mathematics

Should We Send Out a Certificate?

For Teachers 9th - 12th Standards
Fred thinks his test score is high enough to earn him a certificate. Given the mean and standard deviation, use properties of normal distributions to calculate Fred's percentile ranking and see if he is right. Consider having your class...
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Worksheet
Curated OER

Largest Hamburger Ever?

For Students 5th - 7th Standards
If a 150 lb. person can comfortably eat and digest a 1 lb. burger, then how large would the person be who can comfortably eat and digest a 350 lb. burger? For a burger that size, it would take either a large person or a class of really...
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Worksheet
Yummy Math

Movies ~ Oscars 2013

For Students 6th - 8th Standards
Using a popular topic, the movies, your class can meet a Common Core criterion. They compare box office movie returns, adjust older movies' incomes for inflation, and in this way use the four operations to solve real-world problems. This...
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Lesson Plan
Curated OER

T Points from Directions

For Teachers 8th - 9th Standards
Here is a instructional activity that starts with having geometers translate points using compass directions into an accurate picture of the problem. Then they must use their knowledge of the Pythagorean theorem or similar triangles to...
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Lesson Plan
Illustrative Mathematics

Buying Protein Bars and Magazines

For Teachers 6th - 8th Standards
Packing for a trip? This activity allows learners to decide how many magazines and protein bars they can buy with twenty dollars. They can organize their work in a chart to track how many items they can purchase. There are two different...
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Lesson Plan
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Illustrative Mathematics

The Intersection of Two Lines

For Teachers 7th - 9th Standards
Here is an introduction to solving simultaneous linear equations. Start by drawing a line through two points. Create a second line which goes through the intersecting point. Background knowledge of how to find the equation of a line and...
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Lesson Plan
Illustrative Mathematics

Doubling Numerators and Denominators

For Teachers 3rd - 5th Standards
Understanding the meaning of fractions is a challenge for many young learners. These two questions examine what happens when the numerator and denominator of a fraction are doubled. Consider allowing students to discuss their ideas...
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Lesson Plan
Fredonia State University of New York

Watch Your Step…You May Collide!

For Teachers 8th - 10th Standards
Can two lines intersect at more than one point? Using yarn, create two lines on the floor of the classroom to find out. Cooperative groups work through the process of solving systems of equations using task cards and three different...
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Assessment
Mathed Up!

Multiplication and Division

For Students 4th - 6th Standards
Multiplication and division of decimals by whole numbers is the focus of these assessment worksheets. Learners solve equations by showing their work in order to arrive at the correct answer.
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Lesson Plan
Bowland

Torbury Festival

For Teachers 6th - 9th
Have you been to Torbury Fair? In the set of four lessons, learners solve a myriad of problems related to a music festival, including situations involving floods, market stalls, cows, and emergency plans. 
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Lesson Plan
02 x 02 Worksheets

Factoring

For Teachers 8th - 11th Standards
Factor in this resource when teaching how to factor polynomials. Scholars use algebra tiles to factor linear and quadratic expressions. They practice their skill by working on example problems from a worksheet.
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Activity
Noyce Foundation

The Wheel Shop

For Students K - 12th Standards
Teach solving for unknowns through a problem-solving approach. The grouping of five lessons progresses from finding an unknown through simple reasoning to solving simultaneous equations involving three and four variables. Each lesson...
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Activity
2
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Illustrative Mathematics

Rational or Irrational?

For Teachers 9th - 12th Standards
Is 4 plus the square root of 2 rational or irrational? After your class has gained a basic grasp of rational and irrational numbers, use this worksheet to push them a little further in their understanding. Learners must identify sums and...
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Activity
Illustrative Mathematics

Ice Cream Van

For Teachers 6th - 9th Standards
In an open-ended problem, learners calculate costs involved in driving an ice cream van. Is it better to park in one place or drive through different neighborhoods? Learners look at these and other factors and must make reasonable...